FeSi
FeSi (Iron Silicon) alloy powder is commonly & economically produced by atomization method. Its core advantage lies in the ability to flexibly balance magnetic properties and losses by adjusting silicon content and powder particle size.
Key word:
fesi
fesi
Category:
Soft Magnetic Powders
+86 16673138845
Core Characteristics
- Stable composition, low oxygen content
- High sphericity, good flowability
- Stable chemical & temperature properties
- High saturation flux density (high Bs)
- Low iron loss, good soft magnetic properties
- High production efficiency, relatively low cost
Applications
- Soft Magnetic Cores
- Molding Chokes
Components
- PFC inductors, PV inverters
- UPS power supplies; New energy vehicle motors
- Charging pile inductors,High-frequency motors, sensors
- Energy storage systems, Data centers
- Frequency conversion air conditioning
Chemical Composition (wt%)
|
Element |
Si |
Others |
Fe |
|||
|
O |
C |
P |
S |
|||
|
Content (wt%) |
3.0 – 6.5 |
≤0.05 |
≤0.03 |
≤0.02 |
≤0.01 |
Bal |
| Frequently used particle size: D50: 22µm / 25µm / 30µm/ 40µm for cores, 6µm/ 9µm/ 11µm for chokes. | ||||||
Gas FeSiTypical Properties
|
Properties |
Perm.* (μ) |
Loss* (mW/cm3) |
App. Density (g/cm3) |
Tap Density (g/cm3) |
Flowability (s/50g) |
Laser Particle Size (µm) |
||
|
D10 |
D50 |
D90 |
||||||
|
Scope |
30 - 60 | 370 - 550 |
4.2 – 4.5 |
4.7 – 5.0 |
≤25 |
3 - 6 |
8 – 13 |
20 - 28 |
*Testing conditions: Annealed toroidal core-OD14*ID8*H4mm @1000Gs, 50Hz.
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